/Engine/Source/Runtime/Engine/Public/TextureResource.h
Copy the texels of a single face of the cube into an array.
Copy the texels of a single face of a cube texture into an array.
True if the read succeeded.
bool ReadPixels ( [TArray](API\Runtime\Core\Containers\TArray)< [FFloat16Color](API\Runtime\Core\Math\FFloat16Color) > & OutImageData, [FReadSurfaceDataFlags](API\Runtime\RHI\FReadSurfaceDataFlags) InFlags, FIntRect InRect )